Patents by Inventor William W. McCullough

William W. McCullough has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Protective mask
    Patent number: H883
    Abstract: A protective mask is provided, which contains the eyes, nose and mouth, crising a protruding lens so as to provide increased peripheral vision and preferably a nose cup which is shaped to provide a channel for passing defogging air to the lens, and peripheral areas of the mask which fold inward to form the seal.
    Type: Grant
    Filed: January 16, 1990
    Date of Patent: February 5, 1991
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Malcolm E. Little, Robert P. Wagner, William W. McCullough